Digit Sum & Root( Week 6 Evaluation) 1. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. Number N has a value of 24 and digit root of 6, what is the new digit root when N is added by 3? 2. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. What is the largest two-digit number with a digit root of 6? 3. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. What is the smallest two-digit number with a digit root of 1? 4. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. Number N has a value of 23 and digit root of 5, what is the new digit root when N is added by 7? 5. The digit sum is the sum of all digits, while the digit root is the repeated digit sum. For example, the digit sum of 87 is 8 + 7 = 15, while the digit root is 1 + 5 = 6. What is the difference between the digit sum and digit root of 23? 6. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. What is the digit root of 68? 7. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. What is the digit root of 99? 8. The digit root is the repeated digit sum. For example, the digit root of 87 is 8 + 7 = 15 → 1 + 5 = 6. What is the digit root of 65? 9. A is a two-digit number with digit sum of 5. When the two digits are exchanged, the new two-digit number is 27 less than A. What is the number A? 10. A is a two-digit number with digit sum of 12. When the two digits are exchanged, the new two-digit number is 36 larger than A. What is the number A? |